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src/hotspot/cpu/s390/gc/g1/g1BarrierSetAssembler_s390.hpp

BarrierSetC1_v2

10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or                                                             
11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License                                                             
12  * version 2 for more details (a copy is included in the LICENSE file that                                                           
13  * accompanied this code).                                                                                                           
14  *                                                                                                                                   
15  * You should have received a copy of the GNU General Public License version                                                         
16  * 2 along with this work; if not, write to the Free Software Foundation,                                                            
17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.                                                                     
18  *                                                                                                                                   
19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA                                                           
20  * or visit www.oracle.com if you need additional information or have any                                                            
21  * questions.                                                                                                                        
22  *                                                                                                                                   
23  */                                                                                                                                  
24 
25 #ifndef CPU_S390_GC_G1_G1BARRIERSETASSEMBLER_S390_HPP                                                                                
26 #define CPU_S390_GC_G1_G1BARRIERSETASSEMBLER_S390_HPP                                                                                
27 
28 #include "asm/macroAssembler.hpp"                                                                                                    
29 #include "gc/shared/modRefBarrierSetAssembler.hpp"                                                                                   
                                                                                                                                     
30 
31 class LIR_Assembler;                                                                                                                 
32 class StubAssembler;                                                                                                                 
33 class G1PreBarrierStub;                                                                                                              
34 class G1PostBarrierStub;                                                                                                             
35 
36 class G1BarrierSetAssembler: public ModRefBarrierSetAssembler {                                                                      
37  protected:                                                                                                                          
38   virtual void gen_write_ref_array_pre_barrier(MacroAssembler* masm, DecoratorSet decorators, Register addr, Register count);        
39   virtual void gen_write_ref_array_post_barrier(MacroAssembler* masm, DecoratorSet decorators, Register addr, Register count,        
40                                                 bool do_return);                                                                     
41 
42   void g1_write_barrier_pre(MacroAssembler*    masm, DecoratorSet decorators,                                                        
43                             const Address*     obj,           // Address of oop or NULL if pre-loaded.                               
44                             Register           Rpre_val,      // Ideally, this is a non-volatile register.                           
45                             Register           Rval,          // Will be preserved.                                                  
46                             Register           Rtmp1,         // If Rpre_val is volatile, either Rtmp1                               
47                             Register           Rtmp2,         // or Rtmp2 has to be non-volatile.                                    
48                             bool               pre_val_needed); // Save Rpre_val across runtime call, caller uses it.                
49 
50   void g1_write_barrier_post(MacroAssembler* masm, DecoratorSet decorators, Register Rstore_addr, Register Rnew_val,                 
51                              Register Rtmp1, Register Rtmp2, Register Rtmp3);                                                        
52 
53   virtual void oop_store_at(MacroAssembler* masm, DecoratorSet decorators, BasicType type,                                           
54                             const Address& dst, Register val, Register tmp1, Register tmp2, Register tmp3);                          
55 
56  public:                                                                                                                             
                                                                                                                                     
57   void gen_g1_pre_barrier_stub(LIR_Assembler* ce, G1PreBarrierStub* stub);                                                           
58   void gen_g1_post_barrier_stub(LIR_Assembler* ce, G1PostBarrierStub* stub);                                                         
59 
60   void generate_c1_pre_barrier_runtime_stub(StubAssembler* sasm);                                                                    
61   void generate_c1_post_barrier_runtime_stub(StubAssembler* sasm);                                                                   
                                                                                                                                     
62 
63   virtual void load_at(MacroAssembler* masm, DecoratorSet decorators, BasicType type,                                                
64                        const Address& src, Register dst, Register tmp1, Register tmp2, Label *is_null = NULL);                       
65 
66   virtual void resolve_jobject(MacroAssembler* masm, Register value, Register tmp1, Register tmp2);                                  
67 };                                                                                                                                   
68 
69 #endif // CPU_S390_GC_G1_G1BARRIERSETASSEMBLER_S390_HPP                                                                              

10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
12  * version 2 for more details (a copy is included in the LICENSE file that
13  * accompanied this code).
14  *
15  * You should have received a copy of the GNU General Public License version
16  * 2 along with this work; if not, write to the Free Software Foundation,
17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18  *
19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20  * or visit www.oracle.com if you need additional information or have any
21  * questions.
22  *
23  */
24 
25 #ifndef CPU_S390_GC_G1_G1BARRIERSETASSEMBLER_S390_HPP
26 #define CPU_S390_GC_G1_G1BARRIERSETASSEMBLER_S390_HPP
27 
28 #include "asm/macroAssembler.hpp"
29 #include "gc/shared/modRefBarrierSetAssembler.hpp"
30 #include "utilities/macros.hpp"
31 
32 class LIR_Assembler;
33 class StubAssembler;
34 class G1PreBarrierStub;
35 class G1PostBarrierStub;
36 
37 class G1BarrierSetAssembler: public ModRefBarrierSetAssembler {
38  protected:
39   virtual void gen_write_ref_array_pre_barrier(MacroAssembler* masm, DecoratorSet decorators, Register addr, Register count);
40   virtual void gen_write_ref_array_post_barrier(MacroAssembler* masm, DecoratorSet decorators, Register addr, Register count,
41                                                 bool do_return);
42 
43   void g1_write_barrier_pre(MacroAssembler*    masm, DecoratorSet decorators,
44                             const Address*     obj,           // Address of oop or NULL if pre-loaded.
45                             Register           Rpre_val,      // Ideally, this is a non-volatile register.
46                             Register           Rval,          // Will be preserved.
47                             Register           Rtmp1,         // If Rpre_val is volatile, either Rtmp1
48                             Register           Rtmp2,         // or Rtmp2 has to be non-volatile.
49                             bool               pre_val_needed); // Save Rpre_val across runtime call, caller uses it.
50 
51   void g1_write_barrier_post(MacroAssembler* masm, DecoratorSet decorators, Register Rstore_addr, Register Rnew_val,
52                              Register Rtmp1, Register Rtmp2, Register Rtmp3);
53 
54   virtual void oop_store_at(MacroAssembler* masm, DecoratorSet decorators, BasicType type,
55                             const Address& dst, Register val, Register tmp1, Register tmp2, Register tmp3);
56 
57  public:
58 #ifdef COMPILER1
59   void gen_g1_pre_barrier_stub(LIR_Assembler* ce, G1PreBarrierStub* stub);
60   void gen_g1_post_barrier_stub(LIR_Assembler* ce, G1PostBarrierStub* stub);
61 
62   void generate_c1_pre_barrier_runtime_stub(StubAssembler* sasm);
63   void generate_c1_post_barrier_runtime_stub(StubAssembler* sasm);
64 #endif
65 
66   virtual void load_at(MacroAssembler* masm, DecoratorSet decorators, BasicType type,
67                        const Address& src, Register dst, Register tmp1, Register tmp2, Label *is_null = NULL);
68 
69   virtual void resolve_jobject(MacroAssembler* masm, Register value, Register tmp1, Register tmp2);
70 };
71 
72 #endif // CPU_S390_GC_G1_G1BARRIERSETASSEMBLER_S390_HPP
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